I’m putting together a shop in my garage. The one issue I can see is that the water heater and house heater are on the back wall of the garage. Both are gas units with electronic ignitors.
I have dust collector and air filter, so I’m not very concerned about dust. However I don’t know what to do about fumes when finishing or painting.
Is there anything I can do other than turning both units off when working with flammable materials?
Replies
...that, and exhaust the flammable fumes before they get anywhere near those burners. Exhaust fans for finishing areas are really good investments however you want to look at it.
DR
Supply separate combustion air for the appliences.Some fumes ,chlorides even snow salt and pool chemicals will produce acids when combusted .Very significantly in a condensing furnace.I know of an instance of furniture restoration using methylene chloride where the combustion chamber rotted in two years .It invalidated the warranty on the furnace.
Thorough and prolonged venting are your best bets, as well as using fast-drying or water-based finishes. The thing to remember with gas fired furnaces is that when the flame comes on, it draws a substantial amount of room air through it and up the chimney after combustion. In this sense, it is actual sucking the fumes to itself from every corner of the room. You may need to have a cold air supply to the unit from outside to minimize this. Your stack must then be quite high above the roof to avoid being sucked back into the room and causing carbon monoxide buildup. Consult professionals on this situation, there is too much at stake for guesswork.
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